Drugs are chemicals. Different drugs, because of their chemical structures, can affect the body in different ways. In fact, some drugs can even change a person's body and brain in ways that last long after the person has stopped taking drugs, maybe even permanently.
USED OIL is defined as any oil that has been refined from crude oil, or any synthetic oil, that. has been used and as a result, is contaminated by physical or chemical impurities. If you do, use the information in this publication to help make the best choices in managing them.
Oil (fossil fuel). 1  A carbon-based liquid formed from fossilised animals. 2  Lakes of oil are sandwiched between seams of rock in the earth. 3  Pipes are sunk down to the reservoirs to pump the oil out. 4  Widely used in industry and transport. 5  Oil is a ready-made fuel. 6  Relatively cheap to extract and to convert into energy. 7  When burned, it gives off 8  ... Onl